@import url('https://fonts.googleapis.com/css?family=Lato');             

body, html {
    height: 100%;
    background: #222222;
    font-family: 'lato', sans-serif;
}

.container {
    display: block;
    position: relative;
    margin: 40px auto;
    height: auto;
    width: 500px;
    padding: 20px;
}

h2 {
    color: #AAAAAA;
}

.container ul {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow: auto;
}

ul li {
    color: #AAAAAA;
    display: block;
    position: relative;
    float: left;
    width: 100%;
    height: 100px;
    border-bottom: 1px solid #333;
}

ul li input[type="radio"] {
    position: absolute;
    visibility: hidden;
}

ul li label {
    display: block;
    position: relative;
    font-weight: 300;
    font-size: 1.35em;
    padding: 25px 25px 25px 80px;
    margin: 10px auto;
    height: 30px;
    z-index: 9;
    cursor: pointer;
    transition: all 0.25s linear;
    -webkit-transition: all 0.25s linear;
}

ul li:hover label {
    color: #ffffff;
}

ul li .check {
    display: block;
    position: absolute;
    border: 5px solid #AAAAAA;
    border-radius: 100%;
    height: 25px;
    width: 25px;
    top: 30px;
    left: 20px;
    z-index: 5;                                                     
    transition: border .25s linear;
    -webkit-transition: border .25s linear;
}

ul li:hover .check {
    border: 5px solid #ffffff;
}

ul li .check::before {
    display: block;
    position: absolute;
    content: '';
    border-radius: 100%;
    height: 15px;
    width: 15px;
    top: 5px;
    left: 5px;
    margin: auto;
    transition: background .25s linear;
    -webkit-transition: background 0.25s linear;
}

input[type="radio"]:checked ~ .check {
    border: 5px solid #0DFF92;
}

input[type="radio"]:checked ~ .check::before {
    background: #0DFF92;
}

input[type="radio"]:checked ~ label {
    color: #0DFF92;
}

.signature {
    margin: 10px auto;
    padding: 10px 0;
    width: 100%;
}

.signature p {
    text-align: center;
    font-family: Helvetica, Arial, Sans-Serif;
    font-size: 0.85em;
    color: #AAAAAA;
}

.signature .heart {
    display: inline-block;
    position: relative;
    margin: 0 4px;
    height: 10px;
    width: 10px;
    background: #AC1D3F;
    border-radius: 4px;
    -ms-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}

.signature .heart::before,
.signature .heart::after {
    display: block;
    content: '';
    position: absolute;
    margin: auto;
    height: 10px;
    width: 10px;
    border-radius: 5px;
    background: #AC1D3F;
    top: -4px;
}

.signature .heart::after {
    bottom: 0;
    top: auto;
    left: -4px;
}

.signature a {
    color: #AAAAAA;
    text-decoration: none;
    font-weight: bold;
}

.alert {
    box-sizing: border-box;
    background-color: #BDFFE1;
    width: 100%;
    position: relative;
    top: 0;
    left: 0;
    z-index: 300;
    padding: 2vw 5vw;
    color: #333;
    font-size: 1rem;
}

.alert h2 {
    font-size: 22px;
    color: #232323;
    margin-top: 0;
}

.alert p {
    line-height: 1.6em;
    font-size: 18px;
}

.alert a {
    color: #232323;
    font-weight: bold;
}